Taylor then reportedly penned I Knew You Were Trouble about Harry Styles' cheating ways.

The former couple reportedly called it quits for good in October 2012 when a photo of him kissing a model in Australia circulated around the internet.

Taylor and Joe - who still lives at home with his parents - are already very serious, The Sun newspaper has claimed.

Taylor has also dated One Director singer Harry Styles and Scottish DJ Calvin Harris, as well as John Mayer, Conor Kennedy and Jake Gyllenhaal.

Friends close to the couple blamed the split on the singer getting too serious too fast.

Insiders says Taylor - who was four years older - freaked the then 18-year-old by coming on too strong - and because of her apparent obsession with his famous family.

To avoid detection further, the Shake It Off star has been jetting back and forth using her private jet and had security keeping her out of sight at all times.

No repeat: Taylor has been staying out of the public's eye for three months and, according to the insider, is desperate to avoid the public scrutiny that she faced while dating Tom Hiddleston (pictured July) Taylor Swift may have gone into hiding to write new material for her upcoming album, but that won't stop us pouring over these throwbacks from the Hiddleswift days. It's by The Reformation, the eco-friendly label whose fans include Millie Mackintosh and Karlie Kloss.

Taylor Swift has been enjoying a secret romance with British star Joe Alwyn.

The singer, 27, and the actor, 26, are said to have been sneaking around London in disguise in a bid to keep their budding romance under wraps for 'several months'.

We love Taylor's preppy fashion sense, from those ladylike top handle handbags (this one is Louis Vuitton, natch! We love the cut out back and pinny straps on this mini dress.

Click the link (right) to get a closer look at Tay Tay's exact dress and out your name down on the 'want list', or check out (no pun intended!

She has been staying out of the public's eye for three months and, according to the insider, is desperate to avoid the public scrutiny she faced while dating Tom, 36.